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    ORGANIC LIGHT-EMITTING DEVICE
    33.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20200295272A1

    公开(公告)日：2020-09-17

    申请号：US16885992

    申请日：2020-05-28

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sangyeob LEE ,  Sangdong KIM ,  Jiwhan KIM ,  Banglin LEE ,  Seungyeon KWAK ,  Hyeonho CHOI

    IPC: H01L51/00 ,  H01L51/50 ,  C09K11/02 ,  C09K11/06

    Abstract: An organic light-emitting device (OLED) includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode and including an electron-transporting host and a hole-transporting host, a hole transport region between the first electrode and the emission layer and including a hole transport layer, and an electron transport region between the emission layer and the second electrode and including an electron transport layer, wherein the OLED satisfies Equations 1 and 2 below: 0.75 eV≤|LUMOH(ET)−LUMOH(HT)|≤0.90 eV   |E(S1, H(ET))−E(S1, H(HT))| wherein in Equations 1 and 2, LUMOH(ET) refers to a lowest unoccupied molecular orbital (LUMO) energy level of the electron-transporting host, LUMOH(HT) refers to an LUMO energy level of the hole-transporting host, E(S1, H(ET)) refers to a singlet energy level of the electron-transporting host, and E(S1, H(HT)) refers to a singlet energy level of the hole-transporting host.

    ORGANIC LIGHT-EMITTING DEVICE
    35.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20190006608A1

    公开(公告)日：2019-01-03

    申请号：US16023394

    申请日：2018-06-29

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyun KOO ,  Seungyeon KWAK ,  Sangdong KIM ,  Sungjun KIM ,  Jiwhan KIM ,  Sunghun LEE ,  Jungin LEE ,  Seokhwan HONG ,  Kyuyoung HWANG

    IPC: H01L51/50 ,  C07F15/00 ,  C09K11/06 ,  H01L51/00

    Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer and an intermediate layer disposed between the first electrode and the emission layer, wherein the intermediate layer directly contacts the emission layer, and wherein the intermediate layer includes a first hole transport material, wherein the emission layer includes a host and a dopant, wherein the dopant is an organometallic compound, provided that the dopant does not comprise iridium, and wherein the organic light-emitting device satisfies certain parameters described in the specification.

    ORGANIC LIGHT-EMITTING DEVICE
    39.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 审中-公开
    有机发光装置

    公开(公告)号：US20160072078A1

    公开(公告)日：2016-03-10

    申请号：US14838987

    申请日：2015-08-28

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sangyeob LEE ,  Sangdong KIM ,  Jiwhan KIM ,  Banglin LEE ,  Seungyeon KWAK ,  Hyeonho CHOI

    IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50

    Abstract: An organic light-emitting device (OLED) includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode and including an electron-transporting host and a hole-transporting host, a hole transport region between the first electrode and the emission layer and including a hole transport layer, and an electron transport region between the emission layer and the second electrode and including an electron transport layer, wherein the OLED satisfies Equations 1 and 2 below: 0.75 eV≦|LUMOH(ET)−LUMOH(HT)|≦0.90 eV   |E(S1,H(ET))−E(S1,H(HT))| wherein in Equations 1 and 2, LUMOH(ET) refers to a lowest unoccupied molecular orbital (LUMO) energy level of the electron-transporting host, LUMOH(HT) refers to an LUMO energy level of the hole-transporting host, E(S1, H(ET)) refers to a singlet energy level of the electron-transporting host, and E(S1, H(HT)) refers to a singlet energy level of the hole-transporting host.

    Abstract translation: 有机发光器件（OLED）包括第一电极，第二电极，在第一电极和第二电极之间的发射层，并且包括电子传输主体和空穴传输主体，第一和第二电极之间的空穴传输区域 电极和发射层，并且包括空穴传输层和发射层和第二电极之间的电子传输区域，并且包括电子传输层，其中OLED满足以下等式1和2：0.75eV＆nlE; | LUMOH（ET） -LUMOH（HT）|＆nlE; 0.90eV <等式1> | E（S1，H（ET））-E（S1，H（HT））| <0.15eV等式2其中，在等式1和2中，LUMOH （ET）是指电子传输主体的最低未占分子轨道（LUMO）能级，LUMOH（HT）是指空穴传输主体的LUMO能级，E（S1，H（ET））是指 电子输送主体的单重能级，E（S1，H（HT））是指h的单重能级 油输送主体。

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    40.
    发明申请
    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20230089993A1

    公开(公告)日：2023-03-23

    申请号：US17526857

    申请日：2021-11-15

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Seungyeon KWAK ,  Hyungjun KIM ,  Myungsun SIM ,  Kum Hee LEE ,  Sunghun LEE ,  Jeoungin YI ,  Byoungki Choi ,  Kyuyoung Hwang

    IPC: H01L51/50

    Abstract: Provided are a light-emitting device and an electronic apparatus including the same, the light-emitting device including: a first electrode; a second electrode facing the first electrode; and an emission layer between the first electrode and the second electrode. The emission layer includes i) a first emission layer and ii) a second emission layer located between the first emission layer and the second electrode, the first emission layer is in direct contact with the second emission layer, the first emission layer includes a dopant, a first hole-transporting compound, and a first compound, the second emission layer includes a dopant, a second hole-transporting compound, and a second compound, the dopant included in the first emission layer and the dopant included in the second emission layer are identical to each other, the first compound and the second compound are different from each other, and an absolute value of the difference between a HOMO energy level of the second hole-transporting compound and a HOMO energy level of the second compound is about 0.3 eV or less.

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